31103010121003 has 2 divisors, whose sum is σ = 31103010121004. Its totient is φ = 31103010121002.

The previous prime is 31103010120997. The next prime is 31103010121021. The reversal of 31103010121003 is 30012101030113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31103010121003 - 2²¹ = 31103008023851 is a prime.

It is not a weakly prime, because it can be changed into another prime (31103010121303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15551505060501 + 15551505060502.

It is an arithmetic number, because the mean of its divisors is an integer number (15551505060502).

Almost surely, 2^{31103010121003} is an apocalyptic number.

31103010121003 is a deficient number, since it is larger than the sum of its proper divisors (1).

31103010121003 is an equidigital number, since it uses as much as digits as its factorization.

31103010121003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 31103010121003 its reverse (30012101030113), we get a palindrome (61115111151116).

The spelling of 31103010121003 in words is "thirty-one trillion, one hundred three billion, ten million, one hundred twenty-one thousand, three".